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OpenStudy (anonymous):
use cramers rule to solve the equation 8x-3y=5 2x+9y= -2
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OpenStudy (dumbcow):
cramers rule for a 2by2 system? why not just use elimination
OpenStudy (dumbcow):
here you go http://en.wikipedia.org/wiki/Cramer%27s_rule#Explicit_formulas_for_small_systems
OpenStudy (anonymous):
because that is what the homework question says
OpenStudy (bradely):
step by step answer http://www.mathskey.com/question2answer/16231/use-cramers-rule-to-solve-the-equation
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